Pith Number

pith:ZZ4PNDPL

pith:1999:ZZ4PNDPLWLHOUH2XG2M5FUMFIG

not attested not anchored not stored refs pending

Nonlinear waves of nuclear density

A. Sandulescu, V. G. Kartavenko, W. Greiner

arxiv:nucl-th/9907018 v1 · 1999-07-06 · nucl-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZZ4PNDPLWLHOUH2XG2M5FUMFIG}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-04T16:15:24.791978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce78f68debb2ceea1f573699d2d1854196d46d2d8ec61dd0a78bbc898ef1364b

Aliases

arxiv: nucl-th/9907018 · arxiv_version: nucl-th/9907018v1 · doi: 10.48550/arxiv.nucl-th/9907018 · pith_short_12: ZZ4PNDPLWLHO · pith_short_16: ZZ4PNDPLWLHOUH2X · pith_short_8: ZZ4PNDPL

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/ZZ4PNDPLWLHOUH2XG2M5FUMFIG \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: ce78f68debb2ceea1f573699d2d1854196d46d2d8ec61dd0a78bbc898ef1364b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aea9f1a3e33ab300bade0f84f7a179bf08995e714d399ea0a926087975ea4153",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nucl-th",
    "submitted_at": "1999-07-06T06:06:58Z",
    "title_canon_sha256": "206517c81e56a6e33d23951b2eabd50bf71a6615e2f3dddfa6fb1475c3aa03ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nucl-th/9907018",
    "kind": "arxiv",
    "version": 1
  }
}